[Flashcoders] Tree.selectedItem and data mapping
I'm pretty good at using XML data and also have no problem making a Tree component which renders nodes/folders based on a dataprovider XML. With that said, how do you all who use the Tree component usually map the desired data to be displayed (say, text paragraphs that display in a text field nearby) to what was selected in the tree (a tree rendered from the dataprovider XML)? Meaning, if for example, you are using the Tree component for the navigation of an online help manual, when an item is selected in the tree component, how do you normally get enough information about where it is in the tree to map it to your array or XML nodes which containing the bulk of the text content? It would be easy with a combo box as it is a single list, but a tree is inherently more complex. I can create an Object/Array or XML which recreates the structure of the tree to contain my content so it maps directly to the tree, but that's really kludge and then if the data changes, that mapping between tree and display content is broken. Using selectedItem, selectedNode, getTreeNodeAt doesn't give you enough information (at least, it didn't seem to) on the node to map to content in another custom array, object or XML containing your content data (I can get single numbers, but not enough information about where it is in the tree), and you can't put large paragraphs inside the Tree dataprovider XML file which renders the tree, as it will mess up the tree when it renders. I couldn't find any methods of the Tree class that would remedy this. Or, is it instead preferred to not use a Tree dataprovider XML file and add the Tree nodes individually with a composition class which composes the tree with methods like Tree.addTreeNodeAt() based on the content.xml, which also contains the content, thus preserving the mapping when the data changes. I hope that makes sense, Jason Merrill Bank of America Learning Organization Effectiveness - Technology Solutions ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
RE: [Flashcoders] Tree.selectedItem and data mapping
Why does selectedItem not give you enough information? It gives you access to whatever is in the node, including all properties. You just have to store a kind of unique ID or whatever in each node and map that to a text -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Merrill, Jason Sent: Tuesday, July 18, 2006 10:18 PM To: Flashcoders mailing list Subject: [Flashcoders] Tree.selectedItem and data mapping I'm pretty good at using XML data and also have no problem making a Tree component which renders nodes/folders based on a dataprovider XML. With that said, how do you all who use the Tree component usually map the desired data to be displayed (say, text paragraphs that display in a text field nearby) to what was selected in the tree (a tree rendered from the dataprovider XML)? Meaning, if for example, you are using the Tree component for the navigation of an online help manual, when an item is selected in the tree component, how do you normally get enough information about where it is in the tree to map it to your array or XML nodes which containing the bulk of the text content? It would be easy with a combo box as it is a single list, but a tree is inherently more complex. I can create an Object/Array or XML which recreates the structure of the tree to contain my content so it maps directly to the tree, but that's really kludge and then if the data changes, that mapping between tree and display content is broken. Using selectedItem, selectedNode, getTreeNodeAt doesn't give you enough information (at least, it didn't seem to) on the node to map to content in another custom array, object or XML containing your content data (I can get single numbers, but not enough information about where it is in the tree), and you can't put large paragraphs inside the Tree dataprovider XML file which renders the tree, as it will mess up the tree when it renders. I couldn't find any methods of the Tree class that would remedy this. Or, is it instead preferred to not use a Tree dataprovider XML file and add the Tree nodes individually with a composition class which composes the tree with methods like Tree.addTreeNodeAt() based on the content.xml, which also contains the content, thus preserving the mapping when the data changes. I hope that makes sense, Jason Merrill Bank of America Learning Organization Effectiveness - Technology Solutions ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
RE: [Flashcoders] Tree.selectedItem and data mapping
Why does selectedItem not give you enough information? It gives you access to whatever is in the node, including all properties. Because the node you refer to is from the dataprovider XML - and since you can't stick large paragraphs inside that 'special dataprovider XML without messing up the Tree, it seems you have to map to another data source. Jason Merrill Bank of America Learning Organization Effectiveness - Technology Solutions -Original Message- From: [EMAIL PROTECTED] [mailto:flashcoders- [EMAIL PROTECTED] On Behalf Of André Goliath Sent: Tuesday, July 18, 2006 4:31 PM To: 'Flashcoders mailing list' Subject: RE: [Flashcoders] Tree.selectedItem and data mapping Why does selectedItem not give you enough information? It gives you access to whatever is in the node, including all properties. You just have to store a kind of unique ID or whatever in each node and map that to a text -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Merrill, Jason Sent: Tuesday, July 18, 2006 10:18 PM To: Flashcoders mailing list Subject: [Flashcoders] Tree.selectedItem and data mapping I'm pretty good at using XML data and also have no problem making a Tree component which renders nodes/folders based on a dataprovider XML. With that said, how do you all who use the Tree component usually map the desired data to be displayed (say, text paragraphs that display in a text field nearby) to what was selected in the tree (a tree rendered from the dataprovider XML)? Meaning, if for example, you are using the Tree component for the navigation of an online help manual, when an item is selected in the tree component, how do you normally get enough information about where it is in the tree to map it to your array or XML nodes which containing the bulk of the text content? It would be easy with a combo box as it is a single list, but a tree is inherently more complex. I can create an Object/Array or XML which recreates the structure of the tree to contain my content so it maps directly to the tree, but that's really kludge and then if the data changes, that mapping between tree and display content is broken. Using selectedItem, selectedNode, getTreeNodeAt doesn't give you enough information (at least, it didn't seem to) on the node to map to content in another custom array, object or XML containing your content data (I can get single numbers, but not enough information about where it is in the tree), and you can't put large paragraphs inside the Tree dataprovider XML file which renders the tree, as it will mess up the tree when it renders. I couldn't find any methods of the Tree class that would remedy this. Or, is it instead preferred to not use a Tree dataprovider XML file and add the Tree nodes individually with a composition class which composes the tree with methods like Tree.addTreeNodeAt() based on the content.xml, which also contains the content, thus preserving the mapping when the data changes. I hope that makes sense, Jason Merrill Bank of America Learning Organization Effectiveness - Technology Solutions ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
